350
FZPN02 KWBC 171125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC THU SEP 17 2026

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC SEP 17.
24 HOUR FORECAST VALID 0600 UTC SEP 18.
48 HOUR FORECAST VALID 0600 UTC SEP 19.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 47N159W 1024 MB MOVING NE 15 KT.
WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N147W 1009 MB
AND A SECONDARY CENTER 46N151W 1013 MB. WITHIN 240 NM SE
SEMICIRCLE OF MAIN CENTER...AND WITHIN 300 NM S AND SE...AND
240 NM W AND SW QUADRANTS OF SECONDARY CENTER WINDS 20 TO 30 KT.
SEAS TO 3 M.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 58N143W 1001 MB.
WITHIN 120 NM E AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS TO
3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 60N145W 994 MB.
WITHIN 180 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW W OF AREA NEAR 55N163E 1008 MB MOVING E 25 KT WITH
ASSOCIATED CONDITIONS W OF AREA.
.24 HOUR FORECAST LOW 55N180W 1008 MB. WITHIN 420 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 47N TO 58N W OF
177W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 52N157W 990 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 42N
TO 53N W OF 148W...AND N OF 53N W OF 162W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4 M.

 .SYNOPSIS AND FORECAST.

.LOW 41N125W 1012 MB DRIFTING E. FROM 38N TO 54N BETWEEN 124W AND
132W N TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW MOVED INLAND. FROM 46N TO 50N BETWEEN 126W
AND 130W N TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 32N TO 41N BETWEEN 119W AND 126W NW WINDS
TO 25 KT. SEAS TO 2.5 M.

.N OF 58N BETWEEN 145W AND 154W W TO SW WINDS TO 25 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW W OF AREA 59N178E 1001 MB MOVING NE 20 KT. FROM 48N TO 61N
W OF 165W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 61N169W 1005 MB. FROM 50N TO 57N BETWEEN
159W AND 176W...AND N OF 62N W OF 168W WINDS TO 25 KT. SEAS TO
3 M.
.48 HOUR FORECAST LOW MOVED INLAND OVER ALASKA WITH CONDITIONS
DESCRIBED WITH LOW 52N164W IN WARNINGS SECTION ABOVE.

.FROM 30N TO 37N W OF 173W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST CONDITIONS MOVED W OF AREA.

.LOW 60N177W 1000 MB MOVING E 15 KT. WITHIN 180 NM NW
QUADRANT...FROM 51N TO 60N BETWEEN 162W AND 170W...AND FROM 51N
TO 57N W OF 173W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 60N168W 1004 MB. W AND NW OF A LINE FROM
59N177W TO 65N167W WINDS TO 25 KT. SEAS TO 3M.
.48 HOUR FORECAST LOW MOVED INLAND OVER ALASKA WITH CONDITIONS
DESCRIBED IN SECOND GALE WARNING ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NW
OF A LINE FROM 45N160W TO 51N149W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM NW OF A LINE FROM
43N155W TO 54N139W.
.48 HOUR FORECAST DENSE FOG FROM 53N TO 59N BETWEEN 134W AND
139W...AND FROM 49N TO 53N BETWEEN 155W AND 165W.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC THU SEP 17.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 18.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO
35 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 15N95W TO 15N96W
TO 14N97W TO 14N95W TO 14N94W TO 15N95W N TO NE WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M.
.06 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 12N98W TO 12N97W TO
13N95W TO 14N94W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35
KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 15N94W TO 15N95W TO
15N96W TO 14N96W TO 14N95W TO 15N94W N TO NE WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS LESS THAN GALE
FORCE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N87W TO 12N88W TO 10N91W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M IN SE SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS LESS THAN 20 KT. SEAS
LESS THAN 2.5 M.

.WITHIN 20N124W TO 23N128W TO 24N140W TO 15N140W TO 14N133W TO
16N124W TO 20N124W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 20N124W TO 23N128W TO 24N140W TO
15N140W TO 14N133W TO 16N124W TO 20N124W E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN E SWELL.

.48 HOUR FORECAST WITHIN 10N107W TO 11N109W TO 11N110W TO
10N112W TO 08N110W TO 09N108W TO 10N107W E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN E TO SE SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0830 UTC THU SEP 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 08N90W TO 1007 MB LOW PRESSURE
NEAR 15N129W TO 10N140W. SCATTERED MODERATE FROM 02N TO 06N
EAST OF 83W...AND FROM 10N TO 16N BETWEEN 112W AND 116W.
SCATTERED MODERATE TO ISOLATED STRONG FROM 08N TO 13N BETWEEN
90W AND 100W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 0600 UTC SEP 17 2026.
24 HOUR FORECAST VALID 0600 UTC SEP 18 2026.
48 HOUR FORECAST VALID 0600 UTC SEP 19 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 10N156W 1006 MB MOVING W 10 KT. TROUGH FROM 11N140W
TO LOW TO 10N162W MOVING W 10 KT. ISOLATED MODERATE TSTMS WITHIN
180 NM OF TROUGH.
.24 HOUR FORECAST WEAK LOW NEAR 10N159W 1010 MB MOVING SLOWLY.
TROUGH FROM 09N141W TO LOW TO 08N164W.
.48 HOUR FORECAST LOW DISSIPATED. NEW LOW 14N140W 1010 MB. TROUGH
FROM NEW LOW TO 07N155W. WINDS 20 TO 25 KT FROM 14N TO 20N E OF
145W.

.TROUGH FROM 30N150W 26N152W 20N153W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH FROM 30N150W 19N161W.
.48 HOUR FORECAST TROUGH FROM 30N152W 16N166W.

.SEAS 2.5 M OR LOWER OVER FORECAST AREA.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 22N E OF 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 22N E OF 153W.

.OTHERWISE...WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER THE
REMAINDER OF FORECAST AREA.

$$

.FORECASTER EE. HONOLULU HI.